The theory of compact vector fields and some of its applications to topology of functional spaces (I)
§1-3 Lusternik [1] and Schnirelman, Borsuk [3]; see also Tucker [1], Krasnoselskiï [3] and Krein, Fan Ky [1, 2], Lefshetz [1]. TABLE OF CONTENTSINTRODUCTION................................................................................................................................................................................................... 3PRELIMINARIES1. Metric spaces.......................................................................................................................................................................................................